Apparatus for treating hot roasted coffee



uo Model.)

J. 0. SALZGBBER.

APPARATUS FOR TREATING HOT ROASTED GOFFEE.

No. 329,490. Patented Nov. 3, 188.5;

A attest:

the means employed at same time while coolnew. and useful Improved Apparatus to Treat UNITED STATES PATENT, OFFICE.

JOHN G. SALZGEBER, on ST. LOUIS, MISSOURI.

APPARATUS FOR TREATIN a HOT ROASTED COFFEE.

ilP-ECIPICA'IIGN f rmin an of Letters Patent NO. 329,490; dated November 3, 1885.

Application filed May 26, 1884.

To all whom it may concern:

Be it known that 1', JOHN C. SALZGEBER, a citizen of the United States, residing at St. Louis, and State of Missouri, have invented a Hot Roasted Coffee, of which the following is a specification.

My invention has for its objects to treat hot roasted coffee-grains for the purposes of cooling and adapting the same for packing or marketable uses; also my invention relates to ing the hot coffee to elevate the grains from a lower feed-hopper to an upper discharge-hopper, all of which will now more fully appear. I attain these objects by the mechanism illustrated in the accompanying drawings, in which Figure 1* is a side'm'ation showing the' upper discharge-hopper connected by blastpipe to the lower feed-hopper. Fig. 2. is an enlarged sectional elevation of the lower feedhopper, its slide-valve, its goose-neck or bent feed-pipe in communication with the lower portion of the air or blast pipe containing the spiral vanes. Fig. 3 is an enlarged sec.- tional elevation of the upper discharge-hopper, showing more particularly the goose-neck portion of the air-pipe with its inside lining, and adapted to discharge the cooled coffeegrains centrally into said hopper.

Similar letters refer to similar parts throughout the several views. 7

A is the feed-hopper, into which the hot roasted coffee is emptied preparatory to being cooled and elevated to the upper hopper.

B isthe.feed-pi'pe,down which the'hot coffeegrains from hopper A enter the air or blastpipe 0.

b is a Slide-valve to control the feeding of the coffee to blast-pipe.

The lower end of the feed-pipeB is bent and has its outer opening at b projecting beyond the vertical line of the feed-pipe, (see Fig.

2,) the purpose being to utilize the suction produced by the current of air along and up the pipe G, to impart momentum to the falling coffee-grains as some empty into the Serial K011322344. (No model.)

horizontal portion 0 of the blast-pipe G. This portion of pipe 0 contains thestationary spiral blades or vanes D, by means whereof the blastor current of air receives a spiral motion before reaching the coffee-grains, said spiral currents of air further commingling with and the better reaching every portion of the coffee-grains, thus resulting in a more perfect cooling of the same. 'I use a rotary fan-blower or other well-known apparatus to force and produce a current of air to pass along the blast-pipe from its lower portion,0, to the discharge end thereof at the top. At

the same time that the hot coffee-grains are treated to the cooling action of the cold-air currents, said grains are forcedalong the pipe 0 and carried by the currents to the top, and finally discharged out of the goose-neck portion of pipeEint-o the upperhopper, F, which can be located several floors above, as indicated. The bend Ev of blastpipe has inside the lining 6; also the side or sides of the hopper F can belined or provided with pliable materiallike cl0thso as to preserve the coffee grains and prevent their becoming broken or granulated.

E is a screen partitioning the upper part of the hopper F. Through said screen the aircurrents and impurities can freely pass and In testimony of said invention I have hcreunto set my hand;

\ JOHN C. SALZGEBER.

Witnesses: 7

WILLIAM W. HERTI-IEL, JOHN W. HERTHEL. 

